./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:10:45,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:10:46,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:10:46,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:10:46,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:10:46,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:10:46,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:10:46,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:10:46,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:10:46,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:10:46,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:10:46,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:10:46,065 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:10:46,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:10:46,065 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:10:46,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:10:46,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:10:46,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:10:46,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:10:46,067 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:46,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:46,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:46,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:10:46,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:10:46,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:10:46,069 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f [2024-12-02 14:10:46,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:10:46,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:10:46,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:10:46,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:10:46,375 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:10:46,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-12-02 14:10:49,841 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/682244953/109658cd15e940ec928625e5b7513e12/FLAGf9970e448 [2024-12-02 14:10:50,120 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:10:50,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-12-02 14:10:50,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/682244953/109658cd15e940ec928625e5b7513e12/FLAGf9970e448 [2024-12-02 14:10:50,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/682244953/109658cd15e940ec928625e5b7513e12 [2024-12-02 14:10:50,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:10:50,151 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:10:50,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:50,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:10:50,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:10:50,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765b9195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50, skipping insertion in model container [2024-12-02 14:10:50,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:10:50,350 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-12-02 14:10:50,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:50,407 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:10:50,418 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-12-02 14:10:50,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:50,451 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:10:50,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50 WrapperNode [2024-12-02 14:10:50,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:50,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:50,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:10:50,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:10:50,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,496 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-12-02 14:10:50,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:50,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:10:50,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:10:50,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:10:50,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,511 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,522 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:10:50,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,527 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:10:50,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:10:50,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:10:50,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:10:50,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (1/1) ... [2024-12-02 14:10:50,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:50,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:10:50,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:10:50,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:10:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:10:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:10:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:10:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:10:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:10:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:10:50,696 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:10:50,699 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:10:50,917 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-02 14:10:50,917 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:10:50,927 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:10:50,927 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:10:50,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:50 BoogieIcfgContainer [2024-12-02 14:10:50,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:10:50,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:10:50,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:10:50,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:10:50,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:50" (1/3) ... [2024-12-02 14:10:50,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0c4d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:50, skipping insertion in model container [2024-12-02 14:10:50,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:50" (2/3) ... [2024-12-02 14:10:50,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0c4d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:10:50, skipping insertion in model container [2024-12-02 14:10:50,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:50" (3/3) ... [2024-12-02 14:10:50,940 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-12-02 14:10:50,960 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:10:50,962 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:10:51,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:10:51,036 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b4618e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:10:51,036 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:10:51,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:10:51,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 14:10:51,052 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:51,053 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:10:51,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:51,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1017122564, now seen corresponding path program 1 times [2024-12-02 14:10:51,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:10:51,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742699754] [2024-12-02 14:10:51,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:51,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:10:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 14:10:51,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:10:51,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742699754] [2024-12-02 14:10:51,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742699754] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:10:51,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468148232] [2024-12-02 14:10:51,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:51,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:10:51,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:10:51,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:10:51,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:10:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:10:51,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:10:51,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:10:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-12-02 14:10:51,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:10:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [468148232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:10:51,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:10:51,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:10:51,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97549025] [2024-12-02 14:10:51,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:10:51,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:10:51,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:10:51,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:10:51,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:10:51,550 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:10:51,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:10:51,574 INFO L93 Difference]: Finished difference Result 91 states and 145 transitions. [2024-12-02 14:10:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:10:51,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-12-02 14:10:51,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:10:51,583 INFO L225 Difference]: With dead ends: 91 [2024-12-02 14:10:51,583 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 14:10:51,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:10:51,589 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:10:51,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:10:51,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 14:10:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 14:10:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:10:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-12-02 14:10:51,630 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-12-02 14:10:51,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:10:51,630 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-12-02 14:10:51,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:10:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-12-02 14:10:51,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 14:10:51,634 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:10:51,635 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:10:51,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:10:51,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 14:10:51,836 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:10:51,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:10:51,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1000603836, now seen corresponding path program 1 times [2024-12-02 14:10:51,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:10:51,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061850993] [2024-12-02 14:10:51,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:10:51,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:10:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:10:51,985 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:10:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:10:52,082 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:10:52,082 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:10:52,083 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:10:52,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:10:52,088 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 14:10:52,152 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:10:52,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:10:52 BoogieIcfgContainer [2024-12-02 14:10:52,156 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:10:52,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:10:52,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:10:52,157 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:10:52,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:50" (3/4) ... [2024-12-02 14:10:52,160 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:10:52,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:10:52,162 INFO L158 Benchmark]: Toolchain (without parser) took 2011.30ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 63.1MB in the end (delta: 30.0MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-12-02 14:10:52,162 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:52,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.56ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:10:52,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.35ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:10:52,164 INFO L158 Benchmark]: Boogie Preprocessor took 37.98ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:52,164 INFO L158 Benchmark]: RCFGBuilder took 391.29ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 63.6MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:10:52,164 INFO L158 Benchmark]: TraceAbstraction took 1225.14ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 63.7MB in the end (delta: -627.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:52,165 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.1MB in the end (delta: 590.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:10:52,167 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.56ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 80.5MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.35ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.0MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.98ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.29ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 63.6MB in the end (delta: 13.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1225.14ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 63.7MB in the end (delta: -627.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 63.1MB in the end (delta: 590.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 87, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; VAL [isInitial=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L91] isInitial = 1 [L92] FCALL initially() [L93] int k_loop; [L94] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L94] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16] [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L80] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L82] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L96] RET updateVariables() [L97] CALL step() [L38] var_1_1 = (16 - 2) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=14, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L39] COND TRUE \read(var_1_3) [L40] var_1_2 = ((((-4) < 0 ) ? -(-4) : (-4))) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L53] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L54] var_1_5 = (((((25) < (5)) ? (25) : (5))) + 10) VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] [L97] RET step() [L98] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] [L19] reach_error() VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 64 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 14:10:52,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:10:54,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:10:54,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:10:54,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:10:54,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:10:54,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:10:54,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:10:54,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:10:54,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:10:54,846 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:10:54,846 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:10:54,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:10:54,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:10:54,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:10:54,847 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:10:54,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:10:54,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:10:54,849 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:54,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:54,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:54,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:54,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:10:54,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:10:54,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:10:54,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:10:54,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:54,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:10:54,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:10:54,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:10:54,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:10:54,852 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f [2024-12-02 14:10:55,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:10:55,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:10:55,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:10:55,163 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:10:55,163 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:10:55,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-12-02 14:10:58,740 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/1880b7c10/c9e99849b58249258ecaa3b10033e311/FLAG8284860f9 [2024-12-02 14:10:58,989 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:10:58,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-12-02 14:10:58,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/1880b7c10/c9e99849b58249258ecaa3b10033e311/FLAG8284860f9 [2024-12-02 14:10:59,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/data/1880b7c10/c9e99849b58249258ecaa3b10033e311 [2024-12-02 14:10:59,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:10:59,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:10:59,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:59,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:10:59,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:10:59,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a006e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59, skipping insertion in model container [2024-12-02 14:10:59,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:10:59,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-12-02 14:10:59,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:59,246 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:10:59,257 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-12-02 14:10:59,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:10:59,304 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:10:59,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59 WrapperNode [2024-12-02 14:10:59,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:10:59,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:59,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:10:59,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:10:59,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,350 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-12-02 14:10:59,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:10:59,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:10:59,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:10:59,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:10:59,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,363 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,375 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 14:10:59,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,385 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:10:59,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:10:59,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:10:59,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:10:59,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (1/1) ... [2024-12-02 14:10:59,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:10:59,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:10:59,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:10:59,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:10:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:10:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:10:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:10:59,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:10:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:10:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:10:59,542 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:10:59,544 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:11:01,841 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-02 14:11:01,841 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:11:01,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:11:01,853 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:11:01,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:01 BoogieIcfgContainer [2024-12-02 14:11:01,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:11:01,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:11:01,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:11:01,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:11:01,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:10:59" (1/3) ... [2024-12-02 14:11:01,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a33734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:01, skipping insertion in model container [2024-12-02 14:11:01,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:59" (2/3) ... [2024-12-02 14:11:01,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a33734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:01, skipping insertion in model container [2024-12-02 14:11:01,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:01" (3/3) ... [2024-12-02 14:11:01,864 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-12-02 14:11:01,877 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:11:01,879 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:11:01,931 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:11:01,942 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27ad865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:11:01,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:11:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:11:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 14:11:01,953 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:11:01,954 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:11:01,955 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:11:01,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:11:01,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1017122564, now seen corresponding path program 1 times [2024-12-02 14:11:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:11:01,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930757049] [2024-12-02 14:11:01,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:11:01,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:11:01,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:11:01,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:11:01,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 14:11:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:11:02,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:11:02,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:11:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-12-02 14:11:02,341 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:11:02,342 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:11:02,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930757049] [2024-12-02 14:11:02,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930757049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:11:02,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:11:02,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 14:11:02,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087719607] [2024-12-02 14:11:02,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:11:02,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:11:02,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:11:02,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:11:02,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:11:02,372 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:11:02,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:11:02,397 INFO L93 Difference]: Finished difference Result 91 states and 145 transitions. [2024-12-02 14:11:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:11:02,399 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-12-02 14:11:02,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:11:02,405 INFO L225 Difference]: With dead ends: 91 [2024-12-02 14:11:02,406 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 14:11:02,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:11:02,412 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:11:02,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:11:02,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 14:11:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 14:11:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 14:11:02,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-12-02 14:11:02,450 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-12-02 14:11:02,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:11:02,451 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-12-02 14:11:02,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 14:11:02,451 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-12-02 14:11:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 14:11:02,454 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:11:02,454 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:11:02,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 14:11:02,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:11:02,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:11:02,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:11:02,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1000603836, now seen corresponding path program 1 times [2024-12-02 14:11:02,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:11:02,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703847861] [2024-12-02 14:11:02,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:11:02,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:11:02,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:11:02,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:11:02,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 14:11:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:11:03,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 14:11:03,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:11:54,655 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-02 14:11:54,655 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:12:31,284 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:14:20,618 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse43 ((_ sign_extend 24) c_~var_1_2~0)) (.cse45 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (bvslt .cse45 (_ bv0 32))) (.cse15 (= (_ bv4 32) .cse43)) (.cse35 ((_ zero_extend 24) c_~var_1_5~0)) (.cse42 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse45)))) (.cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse45))) (.cse4 (= c_~var_1_3~0 (_ bv0 8))) (.cse44 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse23 (bvslt .cse45 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse26 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse22 (not .cse23)) (.cse6 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0)))) (.cse7 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0))))) (.cse10 (not .cse4)) (.cse12 (= .cse43 .cse36)) (.cse32 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse20 (= .cse43 .cse42)) (.cse34 (= (_ bv15 32) .cse35)) (.cse17 (not .cse15)) (.cse19 (= (_ bv4 32) .cse42)) (.cse21 (not .cse11)) (.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) (and (or .cse0 (let ((.cse18 (= (_ bv4 32) .cse36)) (.cse33 (forall ((~var_1_9~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_9~0) .cse35)))) (let ((.cse13 (or .cse32 .cse33)) (.cse14 (or (not .cse32) .cse33)) (.cse30 (not .cse18)) (.cse29 (not .cse19)) (.cse16 (not .cse34))) (let ((.cse27 (and (or .cse4 (let ((.cse31 (and .cse32 .cse33))) (and (or (and .cse16 (or .cse31 .cse30) (or .cse18 .cse31) .cse15) .cse11) (or (and .cse16 .cse15 (or .cse31 .cse19) (or .cse31 .cse29)) .cse21)))) (or .cse10 (and (or .cse11 (and .cse16 (or (and .cse32 .cse12 .cse33) .cse15) (or .cse17 (and .cse32 .cse33 .cse18)))) (or (and (or .cse17 (and .cse32 .cse33 .cse19)) .cse16 (or (and .cse32 .cse20 .cse33) .cse15)) .cse21))))) (.cse28 (and .cse13 .cse14))) (let ((.cse8 (or .cse11 (and (or .cse18 .cse28) .cse16 (or .cse28 .cse30) .cse15))) (.cse9 (or (and (or .cse28 .cse19) (or .cse28 .cse29) .cse16 .cse15) .cse21)) (.cse24 (or .cse27 .cse7)) (.cse25 (or .cse27 .cse6))) (and (or .cse1 (and .cse2 (or (let ((.cse3 (or (and .cse16 (or .cse17 (and .cse13 .cse14 .cse19)) (or (and .cse20 .cse13 .cse14) .cse15)) .cse21)) (.cse5 (or .cse11 (and (or (and .cse12 .cse13 .cse14) .cse15) .cse16 (or .cse17 (and .cse13 .cse18 .cse14)))))) (and (or (and .cse3 .cse4 .cse5) .cse6) (or .cse7 (and (or (and .cse8 .cse9) .cse4) (or .cse10 (and .cse3 .cse5)))))) .cse22) (or .cse23 (and .cse24 .cse25)))) (or (and (or (and .cse8 .cse2 .cse10 .cse6 .cse9) .cse22) (or .cse23 (and .cse24 .cse2 .cse25))) .cse26))))))) (or (let ((.cse41 (and (or .cse4 (and .cse32 .cse34 .cse15)) (or .cse10 (and (or .cse11 (and .cse32 .cse34 .cse12)) (or (and .cse32 .cse20 .cse34 (or .cse17 .cse19)) .cse21)))))) (let ((.cse39 (or .cse41 .cse7)) (.cse40 (or .cse41 .cse6))) (and (or (and (or (let ((.cse37 (or .cse11 (and .cse34 .cse12))) (.cse38 (or (and .cse20 .cse34) .cse21))) (and (or (and .cse37 .cse4 .cse38) .cse6) (or .cse7 (and (or (and .cse37 .cse38) .cse10) (or .cse4 (and .cse34 .cse15)))))) .cse22) .cse2 (or .cse23 (and .cse39 .cse40))) .cse1) (or .cse26 (and (or .cse23 (and .cse2 .cse39 .cse40)) (or (and .cse34 .cse2 .cse10 .cse15 .cse6) .cse22)))))) (not .cse0)))))) is different from true [2024-12-02 14:14:59,057 WARN L873 $PredicateComparison]: unable to prove that (or (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (let ((.cse19 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 (bvslt .cse19 (_ bv0 32))) (.cse20 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse20)) (.cse12 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse19))))) (.cse13 (not .cse14)) (.cse15 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse2 (not .cse11)) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse5 (bvslt .cse19 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse0 (not .cse5))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))))))))))) is different from true [2024-12-02 14:15:28,234 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse0 (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse2 (let ((.cse6 (= c_~var_1_3~0 (_ bv0 8))) (.cse4 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5)))))))) (not .cse6)) (or .cse6 (= (_ bv4 32) .cse4)))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0))) .cse2) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2024-12-02 14:15:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 14:15:43,562 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:15:43,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703847861] [2024-12-02 14:15:43,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703847861] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 14:15:43,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:15:43,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-12-02 14:15:43,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516584273] [2024-12-02 14:15:43,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:15:43,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:15:43,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:15:43,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:15:43,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=144, Unknown=3, NotChecked=78, Total=272 [2024-12-02 14:15:43,567 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:15:46,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:15:49,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:15:53,837 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse0 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse3 (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)))) (and (or (and (or .cse0 .cse1) (or .cse0 .cse2)) .cse3) (or (let ((.cse4 (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse6 (let ((.cse10 (= c_~var_1_3~0 (_ bv0 8))) (.cse8 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse7 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse7)) .cse8) (bvslt .cse7 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse9 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse9 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse9 (_ bv0 32))) (= .cse8 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse9)))))))) (not .cse10)) (or .cse10 (= (_ bv4 32) .cse8)))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse5) c_~var_1_14~0))) .cse6) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse5) c_~var_1_14~0)))) .cse6) .cse0)))) (and (or .cse4 .cse1) (or .cse4 .cse2))) .cse3))) is different from true [2024-12-02 14:15:57,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:15:58,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:00,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:05,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:07,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:09,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:16:13,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:15,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:17,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:20,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:16:20,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:16:20,950 INFO L93 Difference]: Finished difference Result 82 states and 113 transitions. [2024-12-02 14:16:20,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:16:20,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-12-02 14:16:20,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:16:20,976 INFO L225 Difference]: With dead ends: 82 [2024-12-02 14:16:20,976 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 14:16:20,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 37.5s TimeCoverageRelationStatistics Valid=49, Invalid=145, Unknown=4, NotChecked=108, Total=306 [2024-12-02 14:16:20,977 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 47 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 348 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:16:20,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 312 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 348 Unchecked, 33.2s Time] [2024-12-02 14:16:20,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 14:16:20,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-12-02 14:16:20,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 50 states have internal predecessors, (59), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-12-02 14:16:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2024-12-02 14:16:20,995 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 92 [2024-12-02 14:16:20,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:16:20,996 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2024-12-02 14:16:20,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-12-02 14:16:20,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2024-12-02 14:16:20,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 14:16:20,998 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:16:20,998 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:16:21,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-12-02 14:16:21,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:21,199 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:16:21,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:16:21,199 INFO L85 PathProgramCache]: Analyzing trace with hash -998756794, now seen corresponding path program 1 times [2024-12-02 14:16:21,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:16:21,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [819783855] [2024-12-02 14:16:21,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:16:21,200 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:16:21,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:16:21,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:16:21,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:16:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:16:21,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 14:16:21,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:16:46,415 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:16:53,940 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:17:01,584 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:17:09,360 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:17:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-02 14:17:15,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:18:01,953 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:18:14,773 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:18:42,965 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:19:34,609 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse36 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse12 (= (_ bv4 32) .cse36)) (.cse38 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse16 (bvslt .cse38 (_ bv0 32))) (.cse28 (not .cse12)) (.cse26 ((_ zero_extend 24) c_~var_1_5~0)) (.cse35 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse38)))) (.cse29 ((_ sign_extend 24) ((_ extract 7 0) .cse38))) (.cse9 (= c_~var_1_3~0 (_ bv0 8))) (.cse37 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (bvslt .cse38 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse20 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse21 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse4 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse19 (not .cse1)) (.cse13 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse37) c_~var_1_14~0)))) (.cse5 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse37) c_~var_1_14~0))))) (.cse6 (not .cse9)) (.cse15 (= .cse36 .cse29)) (.cse23 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (= .cse36 .cse35)) (.cse27 (= (_ bv15 32) .cse26)) (.cse24 (or .cse28 (= (_ bv4 32) .cse35))) (.cse18 (not .cse16)) (.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) (and (or .cse0 (let ((.cse25 ((_ zero_extend 24) c_~var_1_9~0))) (let ((.cse14 (or .cse28 (= (_ bv4 32) .cse29))) (.cse10 (or (= .cse25 (_ bv15 32)) (not .cse27))) (.cse11 (= .cse25 .cse26))) (let ((.cse22 (and (or (and .cse23 .cse11 .cse12) .cse9) (or .cse6 (and (or .cse16 (and .cse23 .cse11 .cse14 .cse15)) (or (and .cse23 .cse17 .cse24 .cse10 .cse11) .cse18)))))) (let ((.cse2 (or .cse5 .cse22)) (.cse3 (or .cse22 .cse13))) (and (or (and (or .cse1 (and .cse2 .cse3)) .cse4 (or (let ((.cse7 (or (and .cse17 .cse10 .cse11) .cse18)) (.cse8 (or (and .cse11 .cse14 .cse15) .cse16))) (and (or .cse5 (and (or .cse6 (and .cse7 .cse8)) (or .cse9 (and .cse10 .cse11 .cse12)))) (or (and .cse9 .cse7 .cse8) .cse13))) .cse19)) .cse20) (or .cse21 (and (or (and .cse10 .cse11 .cse4 .cse6 .cse12 .cse13) .cse19) (or .cse1 (and .cse4 .cse2 .cse3)))))))))) (or (let ((.cse34 (and (or .cse9 (and .cse23 .cse27 .cse12)) (or .cse6 (and (or .cse16 (and .cse23 .cse27 .cse15)) (or (and .cse23 .cse17 .cse27 .cse24) .cse18)))))) (let ((.cse32 (or .cse34 .cse5)) (.cse33 (or .cse34 .cse13))) (and (or (and (or (let ((.cse30 (or .cse16 (and .cse27 .cse15))) (.cse31 (or (and .cse17 .cse27) .cse18))) (and (or (and .cse30 .cse9 .cse31) .cse13) (or .cse5 (and (or (and .cse30 .cse31) .cse6) (or .cse9 (and .cse27 .cse12)))))) .cse19) .cse4 (or .cse1 (and .cse32 .cse33))) .cse20) (or .cse21 (and (or .cse1 (and .cse4 .cse32 .cse33)) (or (and .cse27 .cse4 .cse6 .cse12 .cse13) .cse19)))))) (not .cse0))))))) is different from true [2024-12-02 14:20:13,978 WARN L873 $PredicateComparison]: unable to prove that (or (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0) (let ((.cse19 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 (bvslt .cse19 (_ bv0 32))) (.cse20 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse20)) (.cse12 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse19))))) (.cse13 (not .cse14)) (.cse15 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse2 (not .cse11)) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse5 (bvslt .cse19 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse0 (not .cse5))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))))))))))) is different from true [2024-12-02 14:20:37,702 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse0 (let ((.cse2 (let ((.cse6 (fp.eq c_~var_1_14~0 c_~var_1_14~0)) (.cse4 ((_ sign_extend 24) c_~var_1_2~0)) (.cse7 (= c_~var_1_3~0 (_ bv0 8)))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5))))))) .cse6) (not .cse7)) (or (and .cse6 (= (_ bv4 32) .cse4)) .cse7)))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)) (or .cse2 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)) is different from true [2024-12-02 14:20:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-02 14:20:54,408 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:20:54,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [819783855] [2024-12-02 14:20:54,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [819783855] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:20:54,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:20:54,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-12-02 14:20:54,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313839834] [2024-12-02 14:20:54,409 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:20:54,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 14:20:54,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:20:54,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 14:20:54,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=229, Unknown=3, NotChecked=102, Total=420 [2024-12-02 14:20:54,411 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 21 states, 21 states have (on average 2.761904761904762) internal successors, (58), 21 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 14:21:10,807 WARN L286 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 41 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 14:21:41,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:21:50,114 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse8 (= c_~var_1_3~0 (_ bv0 8)))) (let ((.cse7 (not .cse8))) (and (or (let ((.cse0 (let ((.cse2 (let ((.cse6 (fp.eq c_~var_1_14~0 c_~var_1_14~0)) (.cse4 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5))))))) .cse6) .cse7) (or (and .cse6 (= (_ bv4 32) .cse4)) .cse8)))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)) (or .cse2 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)) (= (_ bv4 8) c_~var_1_2~0) (= (_ bv14 8) c_~var_1_1~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse9) (fp.geq c_~var_1_14~0 .cse10)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse10)) (fp.geq c_~var_1_14~0 (fp.neg .cse9))))) .cse7 (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2024-12-02 14:21:54,304 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse20 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse5 (bvslt .cse20 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse11 (= c_~var_1_3~0 (_ bv0 8)))) (let ((.cse2 (not .cse11)) (.cse0 (not .cse5))) (and (= (_ bv4 8) c_~var_1_2~0) (or (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0) (let ((.cse14 (bvslt .cse20 (_ bv0 32))) (.cse19 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse19)) (.cse12 (= .cse19 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse20))))) (.cse13 (not .cse14)) (.cse15 (= .cse19 ((_ sign_extend 24) ((_ extract 7 0) .cse20)))) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))))))) (= (_ bv14 8) c_~var_1_1~0) (let ((.cse22 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse21 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse21) (fp.geq c_~var_1_14~0 .cse22)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse22)) (fp.geq c_~var_1_14~0 (fp.neg .cse21))))) .cse2 .cse0 (= c_~var_1_14~0 c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven))))) is different from true [2024-12-02 14:22:31,535 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse5 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse9 (fp.eq c_~var_1_14~0 c_~var_1_14~0)) (.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse11 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) (and (or (let ((.cse0 (let ((.cse4 (let ((.cse7 ((_ sign_extend 24) c_~var_1_2~0)) (.cse10 (= c_~var_1_3~0 (_ bv0 8)))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse6 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse6 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse6)) .cse7) (bvslt .cse6 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse8 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse8 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse8 (_ bv0 32))) (= .cse7 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse8))))))) .cse9) (not .cse10)) (or (and .cse9 (= (_ bv4 32) .cse7)) .cse10)))) (.cse3 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse3) c_~var_1_14~0)))) .cse4) .cse5 (or .cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse3) c_~var_1_14~0)))))))) (and (or .cse0 .cse1) (or .cse0 .cse2))) .cse11) (or (and (or .cse5 .cse2) (or (and .cse5 .cse9) .cse1)) .cse11))) is different from true [2024-12-02 14:22:32,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:38,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-12-02 14:22:46,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:46,026 INFO L93 Difference]: Finished difference Result 198 states and 266 transitions. [2024-12-02 14:22:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 14:22:46,032 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.761904761904762) internal successors, (58), 21 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 92 [2024-12-02 14:22:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:46,036 INFO L225 Difference]: With dead ends: 198 [2024-12-02 14:22:46,036 INFO L226 Difference]: Without dead ends: 196 [2024-12-02 14:22:46,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 103.1s TimeCoverageRelationStatistics Valid=232, Invalid=598, Unknown=6, NotChecked=354, Total=1190 [2024-12-02 14:22:46,038 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 214 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 456 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 1381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 826 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:46,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 383 Invalid, 1381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 456 Invalid, 0 Unknown, 826 Unchecked, 40.6s Time] [2024-12-02 14:22:46,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-12-02 14:22:46,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 132. [2024-12-02 14:22:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 86 states have (on average 1.197674418604651) internal successors, (103), 87 states have internal predecessors, (103), 39 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-12-02 14:22:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 181 transitions. [2024-12-02 14:22:46,064 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 181 transitions. Word has length 92 [2024-12-02 14:22:46,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:46,065 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 181 transitions. [2024-12-02 14:22:46,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.761904761904762) internal successors, (58), 21 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 14:22:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 181 transitions. [2024-12-02 14:22:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 14:22:46,067 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:46,067 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:22:46,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 14:22:46,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:22:46,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:46,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:46,268 INFO L85 PathProgramCache]: Analyzing trace with hash 774403526, now seen corresponding path program 1 times [2024-12-02 14:22:46,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:22:46,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [448395237] [2024-12-02 14:22:46,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:46,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 14:22:46,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:22:46,270 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 14:22:46,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2875240-c43f-4ee2-861a-9dcc2b44e8fd/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:22:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:46,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 14:22:46,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:23:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-12-02 14:23:40,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:25:21,542 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse42 ((_ sign_extend 24) c_~var_1_2~0)) (.cse45 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse4 (= c_~var_1_3~0 (_ bv0 8))) (.cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse45))) (.cse12 (bvslt .cse45 (_ bv0 32))) (.cse16 (= (_ bv4 32) .cse42)) (.cse43 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse45)))) (.cse35 ((_ zero_extend 24) c_~var_1_5~0)) (.cse44 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse23 (bvslt .cse45 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (.cse26 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse22 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse2 (not .cse23)) (.cse11 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0)))) (.cse3 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0))))) (.cse34 (= (_ bv15 32) .cse35)) (.cse20 (= .cse42 .cse43)) (.cse17 (not .cse16)) (.cse19 (= (_ bv4 32) .cse43)) (.cse21 (not .cse12)) (.cse32 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse13 (= .cse42 .cse36)) (.cse10 (not .cse4))) (and (or .cse0 (let ((.cse18 (= (_ bv4 32) .cse36)) (.cse33 (forall ((~var_1_9~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_9~0) .cse35)))) (let ((.cse14 (or .cse32 .cse33)) (.cse15 (or (not .cse32) .cse33)) (.cse29 (not .cse18)) (.cse30 (not .cse19)) (.cse6 (not .cse34))) (let ((.cse27 (and (or .cse4 (let ((.cse31 (and .cse32 .cse33))) (and .cse6 (or .cse12 (and (or .cse31 .cse29) (or .cse18 .cse31) .cse16)) (or (and .cse16 (or .cse31 .cse19) (or .cse31 .cse30)) .cse21)))) (or .cse10 (and .cse6 (or (and (or .cse17 (and .cse32 .cse33 .cse19)) (or (and .cse32 .cse20 .cse33) .cse16)) .cse21) (or .cse12 (and (or (and .cse32 .cse13 .cse33) .cse16) (or .cse17 (and .cse32 .cse33 .cse18)))))))) (.cse28 (and .cse14 .cse15))) (let ((.cse5 (or .cse21 (and (or .cse28 .cse19) (or .cse28 .cse30) .cse16))) (.cse7 (or .cse12 (and (or .cse18 .cse28) (or .cse28 .cse29) .cse16))) (.cse24 (or .cse27 .cse11)) (.cse25 (or .cse27 .cse3))) (and (or .cse1 (and (or .cse2 (let ((.cse8 (or (and (or .cse17 (and .cse14 .cse15 .cse19)) (or (and .cse20 .cse14 .cse15) .cse16)) .cse21)) (.cse9 (or .cse12 (and (or (and .cse13 .cse14 .cse15) .cse16) (or .cse17 (and .cse14 .cse18 .cse15)))))) (and (or .cse3 (and (or .cse4 (and .cse5 .cse6 .cse7)) (or (and .cse8 .cse9 .cse6) .cse10))) (or (and .cse8 .cse9 .cse6 .cse4) .cse11)))) .cse22 (or .cse23 (and .cse24 .cse25)))) (or .cse26 (and (or .cse2 (and .cse5 .cse22 .cse6 .cse10 .cse7 .cse11)) (or .cse23 (and .cse22 .cse24 .cse25)))))))))) (or (not .cse0) (let ((.cse41 (and (or .cse4 (and .cse32 .cse34 .cse16)) (or (and .cse34 (or (and .cse32 .cse20 (or .cse17 .cse19)) .cse21) (or (and .cse32 .cse13) .cse12)) .cse10)))) (let ((.cse37 (or .cse3 .cse41)) (.cse38 (or .cse41 .cse11))) (and (or .cse26 (and (or (and .cse37 .cse22 .cse38) .cse23) (or (and .cse34 .cse22 .cse10 .cse16 .cse11) .cse2))) (or .cse1 (and (or .cse23 (and .cse37 .cse38)) .cse22 (or (let ((.cse39 (or .cse12 .cse13)) (.cse40 (or .cse20 .cse21))) (and (or .cse3 (and (or .cse4 (and .cse34 .cse16)) (or .cse10 (and .cse34 .cse39 .cse40)))) (or (and .cse34 .cse39 .cse4 .cse40) .cse11))) .cse2))))))))))) is different from true